- A warm men's pullover . A bit of elastane added for a great fit . Rolled hem and sleeves. The model is wearing a size L and is 187 cm tall . JACK & JONES PREMIUM The ultimate autumn knit if you ask us. It's warm, it's comfy and we've even added Alpaca wool for extra softness. And it comes in versatile autumn colours too, so pick one to wear with your favourite jeans.